Year % (cumulative) 2012 0.370689988136292 2014 2.15121555328369 2015 2.43072724342346 2017 1.2627899646759 2018 0.48695632815361 2019 0.652400195598602 2020 0.676068127155304 2021 1.3786792755127 2022 1.66237664222717